Newsoms Welcome a Baby Girl

San Francisco mayor tweets that his wife is in labor

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San Francisco Mayor Gavin Newsom (L) and his wife Jennifer Siebel are just hours away from becoming parents. Congratulations.

Updated at 8:49 AM PDT on Sunday, Sep 20, 2009

The world just got Newsomier. San Francisco's first family announced via Twitter that they are the proud parents of a baby girl.

San Francisco Mayor and gubernatorial hopeful Gavin Newsom and his wife welcomed Montana Tessa Newsom into the world at 12:39 p.m. She is 20.5 inches long and 7 pounds, 12 ounces. The couple was married in Montana and Tessa is Newsom's later mother's name. Newsom reported that both baby and mother are doing well.

The mayor tweeted to his more than one million followers that he had taken his pregnant wife, actress Jennifer Siebel Newsom, to the hospital just before noon on Friday. The baby was scheduled to be due next Thursday.

"Arrived at hospital -- hours away from becoming a father," Newsom tweeted. Less than 20 minutes later, the hours turned into minutes. "Ok... I'm nervous-- 10 minutes and we begin," the mayor tweeted at 12:14 p.m. Just over 20 minutes, later and the couple's first child was in their arms.